//
//  BClass.h
//  2Block
//
//  Created by zhengwei on 2/4/16.
//  Copyright © 2016 zhengwei. All rights reserved.
//

#import <Foundation/Foundation.h>
typedef  void (^MyBlock)(NSString*);
@interface BClass : NSObject
-(void)testBlock:(MyBlock)block str1:(NSString*)str1;
@end
